9 x^4 / (16 e) + 4 (x^4 5/6 log^2(x^4+1)) (e^{tanh(x^3)/2} 1) (cos(sin(\pi cosh(x^6))) 1/e) / ((tan(x^6) Log(x^8+1)) (e^{cos^2(x^5)+sinh(x^2)} 1) (cosh(x^3) Sec(x^7)))